Managed XDR

save.zip (QuasarRat) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
save.zip
Тип файла
Zip archive data, at least v2.0 to extract
Размер файла
11.2 MB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x86 en

Хеши

SHA1
fb7c08fd88adae2c6908298df023cd2880f9bd77
SHA256
0665ae4ed00552698d43d09802f8ebd6541c7adb66bff7cc19f29a0e9370f90b
MD5
234e6e5cc0df2af2c3deaa50300f2d52

Вредоносное ПО

  • QuasarRat

Сигнатуры

Execution

T1204 suspicious_lnk: LNK file with suspicious content
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1136.001 add_user: Creates a new Windows user account
T1098 add_user_to_admin: Adds an elevated user to a group
T1098 add_user_to_group: Adds user to a group

Privilege Escalation

T1098 add_user_to_admin: Adds an elevated user to a group
T1098 add_user_to_group: Adds user to a group
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1222 takeown: May obtain file ownership using the takeown.exe tool
T1564.001 stealth_file: Creates hidden or system files
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_upx: The executable file is compressed using UPX
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
T1036 system_filename: Created a file named as a common system file
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 packer_vb: The executable file is packed using VB
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window
T1480 system_default_lang_id_present: Checks the system language

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
suricata_alert: Malicious traffic detected
ip_domains: Identifies an IP address using external resources
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
dotnet_obfuscated: Dotnet program is potentially obfuscated
associates_file_extension: Allows for file extension to file type association
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
dotnet_suspicious_module_name: Dotnet program has suspicious module name
many_files_in_archive: The archive contains more than 5 files

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